Quantum hash function based on continuous quantum walks

IF 1.5 4区 物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS
Wei-Min Shi, Pan Tian, Shou Wang, Yu-Guang Yang, Yi-Hua Zhou
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引用次数: 0

Abstract

A method of constructing a quantum hash function (QHF) based on continuous-time quantum walk is proposed, in which the time of quantum walk is controlled by the binary string message, namely, a binary string message as the input of the constructed QHF and the probability value of finally walking to the nodes on the cycle is used as the output of the QHF. Numerical simulation and performance analysis show that our QHF has obvious advantages in the efficiency of the QHF compared with the existing QHF based on the discrete-time quantum walk, that is, the efficiency of our scheme is nearly 4 times faster in computing the hash value of the same size file compared with the most efficient scheme. Besides, the QHF has also better collision resistance compared with the existing QHF based on the discrete-time quantum walk.

基于连续量子漫步的量子散列函数
提出了一种基于连续时间量子行走的量子哈希函数(QHF)的构建方法,其中量子行走的时间由二进制字符串信息控制,即以二进制字符串信息作为构建的QHF的输入,以最终行走到周期上节点的概率值作为QHF的输出。数值模拟和性能分析表明,与现有的基于离散时间量子行走的 QHF 相比,我们的 QHF 在效率上具有明显的优势,即与效率最高的方案相比,我们的方案在计算相同大小文件的哈希值时效率提高了近 4 倍。此外,与现有的基于离散时间量子漫步的 QHF 相比,QHF 还具有更好的抗碰撞性。
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来源期刊
Modern Physics Letters A
Modern Physics Letters A 物理-物理:核物理
CiteScore
3.10
自引率
7.10%
发文量
186
审稿时长
3 months
期刊介绍: This letters journal, launched in 1986, consists of research papers covering current research developments in Gravitation, Cosmology, Astrophysics, Nuclear Physics, Particles and Fields, Accelerator physics, and Quantum Information. A Brief Review section has also been initiated with the purpose of publishing short reports on the latest experimental findings and urgent new theoretical developments.
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